./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:38:19,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:38:19,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:38:20,041 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:38:20,042 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:38:20,043 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:38:20,045 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:38:20,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:38:20,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:38:20,052 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:38:20,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:38:20,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:38:20,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:38:20,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:38:20,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:38:20,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:38:20,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:38:20,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:38:20,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:38:20,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:38:20,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:38:20,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:38:20,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:38:20,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:38:20,105 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:38:20,105 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:38:20,106 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:38:20,107 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:38:20,108 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:38:20,109 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:38:20,110 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:38:20,111 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:38:20,112 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:38:20,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:38:20,115 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:38:20,115 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:38:20,116 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:38:20,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:38:20,117 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:38:20,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:38:20,120 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:38:20,121 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-23 01:38:20,158 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:38:20,160 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:38:20,162 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:38:20,162 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:38:20,163 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:38:20,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:38:20,164 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:38:20,164 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:38:20,165 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:38:20,165 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:38:20,166 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:38:20,167 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:38:20,167 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:38:20,167 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:38:20,168 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:38:20,168 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:38:20,168 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:38:20,168 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:38:20,169 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:38:20,169 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:38:20,169 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:38:20,170 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:38:20,170 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:38:20,170 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:38:20,170 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:38:20,171 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 213c19133f8e1eb8e04c1430c89bd3923e29e833639b74dc68815899bbf3f9fa [2021-11-23 01:38:20,447 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:38:20,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:38:20,478 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:38:20,479 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:38:20,480 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:38:20,482 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2021-11-23 01:38:20,562 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/bin/ukojak-LBtLqBUTdQ/data/2e6cc4aff/08d07ed3170f4360aa76d374fd378f6a/FLAGe92635489 [2021-11-23 01:38:21,881 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:38:21,882 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i [2021-11-23 01:38:21,986 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/bin/ukojak-LBtLqBUTdQ/data/2e6cc4aff/08d07ed3170f4360aa76d374fd378f6a/FLAGe92635489 [2021-11-23 01:38:22,458 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/bin/ukojak-LBtLqBUTdQ/data/2e6cc4aff/08d07ed3170f4360aa76d374fd378f6a [2021-11-23 01:38:22,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:38:22,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:38:22,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:38:22,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:38:22,469 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:38:22,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:38:22" (1/1) ... [2021-11-23 01:38:22,472 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dba3566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:22, skipping insertion in model container [2021-11-23 01:38:22,472 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:38:22" (1/1) ... [2021-11-23 01:38:22,480 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:38:22,726 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:38:27,139 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i[553894,553907] [2021-11-23 01:38:27,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:38:27,660 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:38:28,919 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/sv-benchmarks/c/ldv-consumption/linux-3.8-rc1-32_7a-drivers--media--usb--em28xx--em28xx.ko-ldv_main0.cil.out.i[553894,553907] [2021-11-23 01:38:28,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:38:29,257 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:38:29,258 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:29 WrapperNode [2021-11-23 01:38:29,258 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:38:29,259 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:38:29,260 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:38:29,260 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:38:29,267 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:29" (1/1) ... [2021-11-23 01:38:29,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:29" (1/1) ... [2021-11-23 01:38:30,247 INFO L137 Inliner]: procedures = 457, calls = 15318, calls flagged for inlining = 154, calls inlined = 76, statements flattened = 12878 [2021-11-23 01:38:30,249 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:38:30,250 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:38:30,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:38:30,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:38:30,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:29" (1/1) ... [2021-11-23 01:38:30,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:29" (1/1) ... [2021-11-23 01:38:30,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:29" (1/1) ... [2021-11-23 01:38:30,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:29" (1/1) ... [2021-11-23 01:38:31,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:29" (1/1) ... [2021-11-23 01:38:31,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:29" (1/1) ... [2021-11-23 01:38:31,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:29" (1/1) ... [2021-11-23 01:38:31,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:38:31,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:38:31,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:38:31,324 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:38:31,325 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:38:29" (1/1) ... [2021-11-23 01:38:31,334 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:38:31,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:38:31,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:38:31,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69449a89-e296-4011-8e5c-130b930f2ed2/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:38:31,421 INFO L130 BoogieDeclarations]: Found specification of procedure usb_submit_urb [2021-11-23 01:38:31,422 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_submit_urb [2021-11-23 01:38:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_regs [2021-11-23 01:38:31,422 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_regs [2021-11-23 01:38:31,422 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_capture_area_set [2021-11-23 01:38:31,423 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_capture_area_set [2021-11-23 01:38:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_alloc_urbs [2021-11-23 01:38:31,423 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_alloc_urbs [2021-11-23 01:38:31,423 INFO L130 BoogieDeclarations]: Found specification of procedure usb_put_dev [2021-11-23 01:38:31,423 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_put_dev [2021-11-23 01:38:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_mmap [2021-11-23 01:38:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-23 01:38:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-23 01:38:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_stop_streaming [2021-11-23 01:38:31,424 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_stop_streaming [2021-11-23 01:38:31,424 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_device_unregister [2021-11-23 01:38:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_device_unregister [2021-11-23 01:38:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2021-11-23 01:38:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2021-11-23 01:38:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-23 01:38:31,425 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-23 01:38:31,425 INFO L130 BoogieDeclarations]: Found specification of procedure res_free [2021-11-23 01:38:31,426 INFO L138 BoogieDeclarations]: Found implementation of procedure res_free [2021-11-23 01:38:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-23 01:38:31,426 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-23 01:38:31,426 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_ac97 [2021-11-23 01:38:31,426 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_ac97 [2021-11-23 01:38:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock_of_em28xx [2021-11-23 01:38:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock_of_em28xx [2021-11-23 01:38:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_handler_free [2021-11-23 01:38:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_handler_free [2021-11-23 01:38:31,427 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2021-11-23 01:38:31,427 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2021-11-23 01:38:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2021-11-23 01:38:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2021-11-23 01:38:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_frequency [2021-11-23 01:38:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_frequency [2021-11-23 01:38:31,428 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-11-23 01:38:31,428 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-11-23 01:38:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_register [2021-11-23 01:38:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_register [2021-11-23 01:38:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure video_devdata [2021-11-23 01:38:31,429 INFO L138 BoogieDeclarations]: Found implementation of procedure video_devdata [2021-11-23 01:38:31,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:38:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_vbi_supported [2021-11-23 01:38:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_vbi_supported [2021-11-23 01:38:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-23 01:38:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-23 01:38:31,430 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-23 01:38:31,430 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-23 01:38:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_copy_video [2021-11-23 01:38:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_copy_video [2021-11-23 01:38:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_gpio_set [2021-11-23 01:38:31,431 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_gpio_set [2021-11-23 01:38:31,431 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_chip_ident [2021-11-23 01:38:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_chip_ident [2021-11-23 01:38:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~int [2021-11-23 01:38:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~v4l2_std_id~0~TO~int [2021-11-23 01:38:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_try_fmt_vid_cap [2021-11-23 01:38:31,432 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_try_fmt_vid_cap [2021-11-23 01:38:31,432 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg_req [2021-11-23 01:38:31,433 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg_req [2021-11-23 01:38:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-23 01:38:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ctrl_urb_lock_of_em28xx [2021-11-23 01:38:31,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ctrl_urb_lock_of_em28xx [2021-11-23 01:38:31,433 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-11-23 01:38:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-11-23 01:38:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_buffer_done [2021-11-23 01:38:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_buffer_done [2021-11-23 01:38:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 01:38:31,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-23 01:38:31,434 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ctrl_urb_lock_of_em28xx [2021-11-23 01:38:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ctrl_urb_lock_of_em28xx [2021-11-23 01:38:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-23 01:38:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2021-11-23 01:38:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~X~~u32~0~X~~u32~0~TO~int [2021-11-23 01:38:31,435 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2021-11-23 01:38:31,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2021-11-23 01:38:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:38:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_i2c_unregister [2021-11-23 01:38:31,436 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_i2c_unregister [2021-11-23 01:38:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-23 01:38:31,436 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-23 01:38:31,436 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2021-11-23 01:38:31,437 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2021-11-23 01:38:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg [2021-11-23 01:38:31,437 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg [2021-11-23 01:38:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-23 01:38:31,437 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-23 01:38:31,437 INFO L130 BoogieDeclarations]: Found specification of procedure video_is_registered [2021-11-23 01:38:31,438 INFO L138 BoogieDeclarations]: Found implementation of procedure video_is_registered [2021-11-23 01:38:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_subscribe_event [2021-11-23 01:38:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure video_unregister_device [2021-11-23 01:38:31,438 INFO L138 BoogieDeclarations]: Found implementation of procedure video_unregister_device [2021-11-23 01:38:31,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:38:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure video_mux [2021-11-23 01:38:31,439 INFO L138 BoogieDeclarations]: Found implementation of procedure video_mux [2021-11-23 01:38:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:38:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-23 01:38:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-23 01:38:31,439 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_audio_analog_set [2021-11-23 01:38:31,440 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_audio_analog_set [2021-11-23 01:38:31,440 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-23 01:38:31,440 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-23 01:38:31,440 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-23 01:38:31,440 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-23 01:38:31,440 INFO L130 BoogieDeclarations]: Found specification of procedure buffer_prepare [2021-11-23 01:38:31,441 INFO L138 BoogieDeclarations]: Found implementation of procedure buffer_prepare [2021-11-23 01:38:31,441 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_start_analog_streaming [2021-11-23 01:38:31,441 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_start_analog_streaming [2021-11-23 01:38:31,441 INFO L130 BoogieDeclarations]: Found specification of procedure format_by_fourcc [2021-11-23 01:38:31,441 INFO L138 BoogieDeclarations]: Found implementation of procedure format_by_fourcc [2021-11-23 01:38:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg [2021-11-23 01:38:31,442 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg [2021-11-23 01:38:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_reg_len [2021-11-23 01:38:31,442 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_reg_len [2021-11-23 01:38:31,442 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-23 01:38:31,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-23 01:38:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_event_unsubscribe [2021-11-23 01:38:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure get_ressource [2021-11-23 01:38:31,443 INFO L138 BoogieDeclarations]: Found implementation of procedure get_ressource [2021-11-23 01:38:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2021-11-23 01:38:31,443 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2021-11-23 01:38:31,443 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_outfmt [2021-11-23 01:38:31,444 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_outfmt [2021-11-23 01:38:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:38:31,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:38:31,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-23 01:38:31,444 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-23 01:38:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-23 01:38:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-23 01:38:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_set_plane_payload [2021-11-23 01:38:31,445 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_set_plane_payload [2021-11-23 01:38:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_fop_poll [2021-11-23 01:38:31,445 INFO L130 BoogieDeclarations]: Found specification of procedure usb_translate_errors [2021-11-23 01:38:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_translate_errors [2021-11-23 01:38:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-23 01:38:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-23 01:38:31,446 INFO L130 BoogieDeclarations]: Found specification of procedure usb_set_interface [2021-11-23 01:38:31,446 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_set_interface [2021-11-23 01:38:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_v4l2_close [2021-11-23 01:38:31,447 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_v4l2_close [2021-11-23 01:38:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_reg_req_len [2021-11-23 01:38:31,447 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_reg_req_len [2021-11-23 01:38:31,447 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_release [2021-11-23 01:38:31,447 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_release [2021-11-23 01:38:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_reg_bits [2021-11-23 01:38:31,448 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_reg_bits [2021-11-23 01:38:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-23 01:38:31,448 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-23 01:38:31,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-23 01:38:31,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-23 01:38:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-23 01:38:31,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u32~0~TO~int [2021-11-23 01:38:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_s_ctrl [2021-11-23 01:38:31,449 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_s_ctrl [2021-11-23 01:38:31,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-23 01:38:31,449 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-23 01:38:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_frequency [2021-11-23 01:38:31,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_frequency [2021-11-23 01:38:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure vbi_buffer_prepare [2021-11-23 01:38:31,450 INFO L138 BoogieDeclarations]: Found implementation of procedure vbi_buffer_prepare [2021-11-23 01:38:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_release_resources [2021-11-23 01:38:31,450 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_release_resources [2021-11-23 01:38:31,450 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2021-11-23 01:38:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2021-11-23 01:38:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure video_drvdata [2021-11-23 01:38:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure video_drvdata [2021-11-23 01:38:31,451 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock_of_em28xx [2021-11-23 01:38:31,451 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock_of_em28xx [2021-11-23 01:38:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_write_regs_req [2021-11-23 01:38:31,452 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_write_regs_req [2021-11-23 01:38:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:38:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure usb_unlink_urb [2021-11-23 01:38:31,452 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_unlink_urb [2021-11-23 01:38:31,452 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-23 01:38:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_g_chip_info [2021-11-23 01:38:31,453 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_g_chip_info [2021-11-23 01:38:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_video_format [2021-11-23 01:38:31,453 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_video_format [2021-11-23 01:38:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-23 01:38:31,453 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_set_mode [2021-11-23 01:38:31,453 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_set_mode [2021-11-23 01:38:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure video_device_node_name [2021-11-23 01:38:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure video_device_node_name [2021-11-23 01:38:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-23 01:38:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-23 01:38:31,454 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2021-11-23 01:38:31,454 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2021-11-23 01:38:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_resolution_set [2021-11-23 01:38:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_resolution_set [2021-11-23 01:38:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2021-11-23 01:38:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2021-11-23 01:38:31,455 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_is_ac97_ready [2021-11-23 01:38:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_is_ac97_ready [2021-11-23 01:38:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-23 01:38:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-23 01:38:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_querycap [2021-11-23 01:38:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_querycap [2021-11-23 01:38:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_v4l2_open [2021-11-23 01:38:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_v4l2_open [2021-11-23 01:38:31,456 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_size [2021-11-23 01:38:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_size [2021-11-23 01:38:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-23 01:38:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-23 01:38:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~$Pointer$~X~int~TO~int [2021-11-23 01:38:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~u8~0~X~~u16~0~X~$Pointer$~X~int~TO~int [2021-11-23 01:38:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-23 01:38:31,458 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-23 01:38:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:38:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-23 01:38:31,458 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-23 01:38:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_uninit_usb_xfer [2021-11-23 01:38:31,458 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_uninit_usb_xfer [2021-11-23 01:38:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure finish_field_prepare_next [2021-11-23 01:38:31,459 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_field_prepare_next [2021-11-23 01:38:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_read_ac97 [2021-11-23 01:38:31,459 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_read_ac97 [2021-11-23 01:38:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_wake_i2c [2021-11-23 01:38:31,459 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_wake_i2c [2021-11-23 01:38:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure size_to_scale [2021-11-23 01:38:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure size_to_scale [2021-11-23 01:38:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_get_drv_priv [2021-11-23 01:38:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_get_drv_priv [2021-11-23 01:38:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure vidioc_s_register [2021-11-23 01:38:31,460 INFO L138 BoogieDeclarations]: Found implementation of procedure vidioc_s_register [2021-11-23 01:38:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure scale_to_size [2021-11-23 01:38:31,461 INFO L138 BoogieDeclarations]: Found implementation of procedure scale_to_size [2021-11-23 01:38:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure print_err_status [2021-11-23 01:38:31,461 INFO L138 BoogieDeclarations]: Found implementation of procedure print_err_status [2021-11-23 01:38:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxw [2021-11-23 01:38:31,461 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxw [2021-11-23 01:38:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure norm_maxh [2021-11-23 01:38:31,461 INFO L138 BoogieDeclarations]: Found implementation of procedure norm_maxh [2021-11-23 01:38:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 01:38:31,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-23 01:38:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:38:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure vb2_plane_vaddr [2021-11-23 01:38:31,462 INFO L138 BoogieDeclarations]: Found implementation of procedure vb2_plane_vaddr [2021-11-23 01:38:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-23 01:38:31,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-23 01:38:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure em28xx_capture_start [2021-11-23 01:38:31,463 INFO L138 BoogieDeclarations]: Found implementation of procedure em28xx_capture_start [2021-11-23 01:38:32,449 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:38:32,455 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:39:01,031 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:39:03,240 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:39:03,241 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-23 01:39:03,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:39:03 BoogieIcfgContainer [2021-11-23 01:39:03,246 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:39:03,247 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:39:03,247 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:39:03,259 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:39:03,262 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:39:03" (1/1) ... [2021-11-23 01:39:03,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:39:03,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:03,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2035 states to 1421 states and 2035 transitions. [2021-11-23 01:39:03,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 2035 transitions. [2021-11-23 01:39:03,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:39:03,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:03,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:04,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:05,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:13,836 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:39:14,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:14,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 1424 states and 2076 transitions. [2021-11-23 01:39:14,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 2076 transitions. [2021-11-23 01:39:14,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:39:14,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:14,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:14,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:15,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:16,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:16,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 1429 states and 2131 transitions. [2021-11-23 01:39:16,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 2131 transitions. [2021-11-23 01:39:16,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:39:16,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:16,570 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:17,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:18,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:18,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2190 states to 1435 states and 2187 transitions. [2021-11-23 01:39:18,437 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 2187 transitions. [2021-11-23 01:39:18,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:39:18,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:18,438 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:19,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:20,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:20,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2248 states to 1442 states and 2244 transitions. [2021-11-23 01:39:20,454 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 2244 transitions. [2021-11-23 01:39:20,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:39:20,456 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:20,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:21,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:22,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:22,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 1450 states and 2302 transitions. [2021-11-23 01:39:22,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1450 states and 2302 transitions. [2021-11-23 01:39:22,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:39:22,286 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:22,287 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:23,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:24,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2367 states to 1459 states and 2361 transitions. [2021-11-23 01:39:24,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1459 states and 2361 transitions. [2021-11-23 01:39:24,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:39:24,092 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:24,092 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:24,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:25,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:26,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:26,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 1469 states and 2421 transitions. [2021-11-23 01:39:26,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 2421 transitions. [2021-11-23 01:39:26,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-11-23 01:39:26,772 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:26,772 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:27,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:27,734 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:36,300 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-23 01:39:37,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:37,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2496 states to 1478 states and 2488 transitions. [2021-11-23 01:39:37,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1478 states and 2488 transitions. [2021-11-23 01:39:37,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-11-23 01:39:37,294 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:37,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:37,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:39:38,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:38,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2512 states to 1486 states and 2504 transitions. [2021-11-23 01:39:38,499 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 2504 transitions. [2021-11-23 01:39:38,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2021-11-23 01:39:38,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:38,505 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:39,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:39:39,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:39,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2528 states to 1494 states and 2520 transitions. [2021-11-23 01:39:39,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 2520 transitions. [2021-11-23 01:39:39,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:39:39,568 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:39,569 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:40,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:39:40,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:40,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2535 states to 1496 states and 2527 transitions. [2021-11-23 01:39:40,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 2527 transitions. [2021-11-23 01:39:40,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-23 01:39:40,694 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:40,694 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:41,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:39:42,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:42,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2549 states to 1504 states and 2541 transitions. [2021-11-23 01:39:42,177 INFO L276 IsEmpty]: Start isEmpty. Operand 1504 states and 2541 transitions. [2021-11-23 01:39:42,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-11-23 01:39:42,179 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:42,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:43,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:39:43,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:43,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 1512 states and 2555 transitions. [2021-11-23 01:39:43,403 INFO L276 IsEmpty]: Start isEmpty. Operand 1512 states and 2555 transitions. [2021-11-23 01:39:43,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-11-23 01:39:43,405 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:43,406 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:39:44,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:44,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 1520 states and 2569 transitions. [2021-11-23 01:39:44,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 2569 transitions. [2021-11-23 01:39:44,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-23 01:39:44,618 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:44,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:45,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:39:45,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:45,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 1528 states and 2583 transitions. [2021-11-23 01:39:45,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2583 transitions. [2021-11-23 01:39:45,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:39:45,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:45,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:49,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 20827 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:39:49,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:49,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:39:51,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:51,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 1535 states and 2676 transitions. [2021-11-23 01:39:51,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 2676 transitions. [2021-11-23 01:39:51,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-11-23 01:39:51,411 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:51,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:52,719 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:39:52,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:52,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2698 states to 1543 states and 2690 transitions. [2021-11-23 01:39:52,938 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2690 transitions. [2021-11-23 01:39:52,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-11-23 01:39:52,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:52,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:39:56,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:39:56,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 20829 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:39:56,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:39:56,818 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:39:58,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:39:58,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 1550 states and 2783 transitions. [2021-11-23 01:39:58,231 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 2783 transitions. [2021-11-23 01:39:58,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-23 01:39:58,233 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:39:58,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:01,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 20831 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:40:01,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:01,865 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:03,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:03,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 1557 states and 2877 transitions. [2021-11-23 01:40:03,735 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 2877 transitions. [2021-11-23 01:40:03,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:40:03,737 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:03,738 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:07,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:07,224 INFO L263 TraceCheckSpWp]: Trace formula consists of 20844 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:40:07,235 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:07,411 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:07,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:07,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 1574 states and 2917 transitions. [2021-11-23 01:40:07,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2917 transitions. [2021-11-23 01:40:07,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-11-23 01:40:07,509 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:07,509 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:11,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 20833 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:40:11,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:11,333 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:13,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:13,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3019 states to 1581 states and 3011 transitions. [2021-11-23 01:40:13,444 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 3011 transitions. [2021-11-23 01:40:13,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:40:13,447 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:13,447 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:16,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:16,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 20846 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:40:16,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:17,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:17,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:17,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 1598 states and 3051 transitions. [2021-11-23 01:40:17,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1598 states and 3051 transitions. [2021-11-23 01:40:17,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:40:17,417 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:17,417 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:18,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:19,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:19,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3085 states to 1606 states and 3074 transitions. [2021-11-23 01:40:19,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1606 states and 3074 transitions. [2021-11-23 01:40:19,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-23 01:40:19,017 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:19,017 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:22,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:22,854 INFO L263 TraceCheckSpWp]: Trace formula consists of 20835 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:40:22,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:22,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:24,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:24,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 1613 states and 3168 transitions. [2021-11-23 01:40:24,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1613 states and 3168 transitions. [2021-11-23 01:40:24,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:40:24,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:24,116 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:25,278 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:25,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:25,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3186 states to 1619 states and 3175 transitions. [2021-11-23 01:40:25,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 3175 transitions. [2021-11-23 01:40:25,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:40:25,352 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:25,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:29,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:29,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 20848 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:40:29,320 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:29,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:29,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:29,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3226 states to 1636 states and 3215 transitions. [2021-11-23 01:40:29,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 3215 transitions. [2021-11-23 01:40:29,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:40:29,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:29,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:30,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:30,868 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:31,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:31,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3245 states to 1641 states and 3224 transitions. [2021-11-23 01:40:31,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1641 states and 3224 transitions. [2021-11-23 01:40:31,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:40:31,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:31,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:31,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:32,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:32,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:32,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3248 states to 1642 states and 3224 transitions. [2021-11-23 01:40:32,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1642 states and 3224 transitions. [2021-11-23 01:40:32,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:40:32,227 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:32,231 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:33,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:33,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:33,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3253 states to 1645 states and 3229 transitions. [2021-11-23 01:40:33,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 3229 transitions. [2021-11-23 01:40:33,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-11-23 01:40:33,203 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:33,203 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:36,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 20837 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:40:36,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:36,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:37,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:37,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3347 states to 1652 states and 3323 transitions. [2021-11-23 01:40:37,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 3323 transitions. [2021-11-23 01:40:37,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:40:37,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:37,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:38,805 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:38,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:38,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3354 states to 1658 states and 3330 transitions. [2021-11-23 01:40:38,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 3330 transitions. [2021-11-23 01:40:38,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:40:38,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:38,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:42,708 INFO L263 TraceCheckSpWp]: Trace formula consists of 20850 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:40:42,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:42,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:43,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:43,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3395 states to 1675 states and 3370 transitions. [2021-11-23 01:40:43,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1675 states and 3370 transitions. [2021-11-23 01:40:43,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:40:43,031 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:43,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:43,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:43,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:43,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3400 states to 1678 states and 3375 transitions. [2021-11-23 01:40:43,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 3375 transitions. [2021-11-23 01:40:43,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:40:43,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:43,959 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:44,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:44,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:44,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 1678 states and 3374 transitions. [2021-11-23 01:40:44,924 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 3374 transitions. [2021-11-23 01:40:44,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:40:44,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:44,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:45,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:45,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:45,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3404 states to 1681 states and 3379 transitions. [2021-11-23 01:40:45,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1681 states and 3379 transitions. [2021-11-23 01:40:45,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:40:45,868 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:45,868 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:49,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 20839 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:40:49,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:49,826 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:50,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:50,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3498 states to 1688 states and 3473 transitions. [2021-11-23 01:40:50,529 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 3473 transitions. [2021-11-23 01:40:50,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-11-23 01:40:50,532 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:50,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:51,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:51,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:51,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3510 states to 1696 states and 3485 transitions. [2021-11-23 01:40:51,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 3485 transitions. [2021-11-23 01:40:51,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:40:51,394 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:51,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:52,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:52,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:52,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3517 states to 1702 states and 3492 transitions. [2021-11-23 01:40:52,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 3492 transitions. [2021-11-23 01:40:52,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:40:52,457 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:52,457 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:56,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:56,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 20852 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:40:56,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:40:56,355 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:56,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:56,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3558 states to 1719 states and 3532 transitions. [2021-11-23 01:40:56,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 3532 transitions. [2021-11-23 01:40:56,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:40:56,561 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:56,561 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:57,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:57,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:57,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3563 states to 1722 states and 3537 transitions. [2021-11-23 01:40:57,366 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 3537 transitions. [2021-11-23 01:40:57,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:40:57,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:57,368 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:58,203 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:40:58,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:58,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3567 states to 1723 states and 3539 transitions. [2021-11-23 01:40:58,222 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 3539 transitions. [2021-11-23 01:40:58,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:40:58,223 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:58,224 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:40:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:40:59,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:40:59,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:40:59,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 1742 states and 3612 transitions. [2021-11-23 01:40:59,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 3612 transitions. [2021-11-23 01:40:59,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:40:59,580 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:40:59,580 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:00,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:00,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:00,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3646 states to 1745 states and 3617 transitions. [2021-11-23 01:41:00,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 3617 transitions. [2021-11-23 01:41:00,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:41:00,657 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:00,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:01,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:01,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:01,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3658 states to 1753 states and 3629 transitions. [2021-11-23 01:41:01,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 3629 transitions. [2021-11-23 01:41:01,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2021-11-23 01:41:01,563 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:01,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:02,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:02,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:02,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:02,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3660 states to 1756 states and 3631 transitions. [2021-11-23 01:41:02,508 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 3631 transitions. [2021-11-23 01:41:02,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:41:02,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:02,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:03,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:03,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:03,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3663 states to 1760 states and 3634 transitions. [2021-11-23 01:41:03,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 3634 transitions. [2021-11-23 01:41:03,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:41:03,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:03,379 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:04,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:04,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:04,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3665 states to 1762 states and 3636 transitions. [2021-11-23 01:41:04,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 3636 transitions. [2021-11-23 01:41:04,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:41:04,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:04,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:04,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:04,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:05,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:05,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3672 states to 1768 states and 3643 transitions. [2021-11-23 01:41:05,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 3643 transitions. [2021-11-23 01:41:05,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:41:05,068 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:05,068 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:08,676 INFO L263 TraceCheckSpWp]: Trace formula consists of 20854 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:41:08,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:08,833 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:09,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:09,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3713 states to 1785 states and 3683 transitions. [2021-11-23 01:41:09,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1785 states and 3683 transitions. [2021-11-23 01:41:09,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:41:09,027 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:09,027 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:09,708 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:09,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:09,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3718 states to 1788 states and 3688 transitions. [2021-11-23 01:41:09,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1788 states and 3688 transitions. [2021-11-23 01:41:09,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:41:09,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:09,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:10,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:10,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:10,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3721 states to 1790 states and 3691 transitions. [2021-11-23 01:41:10,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1790 states and 3691 transitions. [2021-11-23 01:41:10,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2021-11-23 01:41:10,575 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:10,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:11,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:14,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:14,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3738 states to 1799 states and 3708 transitions. [2021-11-23 01:41:14,097 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 3708 transitions. [2021-11-23 01:41:14,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:41:14,101 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:14,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:14,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:14,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:14,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3743 states to 1802 states and 3713 transitions. [2021-11-23 01:41:14,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 3713 transitions. [2021-11-23 01:41:14,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:41:14,928 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:14,928 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:15,739 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:15,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:15,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3755 states to 1810 states and 3725 transitions. [2021-11-23 01:41:15,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 3725 transitions. [2021-11-23 01:41:15,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-11-23 01:41:15,873 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:15,873 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:16,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:16,602 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:16,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:16,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3757 states to 1813 states and 3727 transitions. [2021-11-23 01:41:16,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 3727 transitions. [2021-11-23 01:41:16,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:41:16,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:16,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:16,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:17,290 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:17,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:17,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3760 states to 1817 states and 3730 transitions. [2021-11-23 01:41:17,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 3730 transitions. [2021-11-23 01:41:17,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-11-23 01:41:17,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:17,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:18,155 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:18,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:18,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3762 states to 1819 states and 3732 transitions. [2021-11-23 01:41:18,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 3732 transitions. [2021-11-23 01:41:18,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:41:18,178 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:18,179 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:18,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:19,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3769 states to 1825 states and 3739 transitions. [2021-11-23 01:41:19,026 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 3739 transitions. [2021-11-23 01:41:19,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:41:19,029 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:19,029 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:22,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:22,772 INFO L263 TraceCheckSpWp]: Trace formula consists of 20856 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 01:41:22,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 01:41:22,891 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:23,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:23,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3810 states to 1842 states and 3779 transitions. [2021-11-23 01:41:23,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 3779 transitions. [2021-11-23 01:41:23,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-11-23 01:41:23,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:23,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:23,767 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:23,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:23,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3815 states to 1845 states and 3784 transitions. [2021-11-23 01:41:23,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 3784 transitions. [2021-11-23 01:41:23,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:41:23,836 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:23,836 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:24,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:24,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:24,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3818 states to 1847 states and 3787 transitions. [2021-11-23 01:41:24,564 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 3787 transitions. [2021-11-23 01:41:24,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-23 01:41:24,566 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:24,566 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:25,342 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:41:26,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:26,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3821 states to 1849 states and 3790 transitions. [2021-11-23 01:41:26,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1849 states and 3790 transitions. [2021-11-23 01:41:26,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-11-23 01:41:26,053 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:26,053 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:26,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:26,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:41:26,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:26,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3826 states to 1852 states and 3795 transitions. [2021-11-23 01:41:26,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 3795 transitions. [2021-11-23 01:41:26,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-23 01:41:26,697 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:26,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:41:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:41:27,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:41:27,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:41:27,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3839 states to 1858 states and 3808 transitions. [2021-11-23 01:41:27,521 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 3808 transitions. [2021-11-23 01:41:27,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-23 01:41:27,524 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:41:27,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms